var dice = {
sides: 6,
roll: function() {
var randomNumber = Math.floor(Math.random() * this.sides) + 1;
return randomNumber;
},
};
function printNumber(number) {
var placeholder = document.getElementById("placeholder");
placeholder.innerHTML = number;
}
var button = document.getElementById("button");
button.onclick = function() {
var result = dice.roll();
printNumber(result);
};